Title:
MANHOLE FRAME AND FIXING METHOD THEREOF
Document Type and Number:
Japanese Patent JPH0718692
Kind Code:
A
Abstract:
PURPOSE: To surely fix a manhole frame to an installation face with a fitting tool and release its fixing without crushing and removing the surrounding pavement when replacing it.
CONSTITUTION: This manhole frame 11 is provided with a cover reception section 13 at the upper end of a cylindrical side wall 12 and a flange section 14 and fitting holes 15 at the lower end, and the flange section 14 is extended on the inside of the side wall 12 partially or over the whole periphery. The fitting holes 15 are bored on the flange section 14 on the inside of the side wall 12.
Inventors:
SHIMAMURA NORIYUKI
TSUBAKIMORI SHINICHI
TSUBAKIMORI SHINICHI
Application Number:
JP18914393A
Publication Date:
January 20, 1995
Filing Date:
June 30, 1993
Export Citation:
Assignee:
EPO KK
HANEDA FUME CAN KK
HANEDA FUME CAN KK
International Classes:
E02D29/14; (IPC1-7): E02D29/14
Attorney, Agent or Firm:
Ando
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